APA (7th ed.) Citation

Hopkins, R. F., & Puchala, D. J. (1980). Global food interdependence: Challenge to American foreign policy. Columbia Univ. Pr.

Chicago Style (17th ed.) Citation

Hopkins, Raymond F., and Donald James Puchala. Global Food Interdependence: Challenge to American Foreign Policy. New York, NY: Columbia Univ. Pr, 1980.

MLA (9th ed.) Citation

Hopkins, Raymond F., and Donald James Puchala. Global Food Interdependence: Challenge to American Foreign Policy. Columbia Univ. Pr, 1980.